package day1025_4;

public class O1 {
    public static void main(String[] args) {
        int r=6;
        r += 3;  //给变量r增加一个数字3(r变为9)
        System.out.println(r);
        r -= 5;//给变量r减小一个数字5(r变为4)
        System.out.println(r);
        r *= 3;  //r=r4*3 (r变为12)
        System.out.println(r);
        r /= 5;
        System.out.println(r);
        r %=2;
        System.out.println(r);
    }
}
